GATE XL 2026 Paper 1 — page 15

Questions 43–45 of 122. Imported answers require review unless explicitly marked reviewed.

Telomerase has which one or more of the following activities?

Your answerSelect all correct options. You can choose more than one.

DNA-dependent RNA polymerase

Reverse transcriptase

RNA-dependent DNA polymerase

5′ → 3′ exonuclease

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To a

solution of a receptor, its specific ligand was added, and incubated. At equilibrium, the concentration of the free ligand was

, and the concentration of the receptor-ligand complex was

. The dissociation constant for the receptor-ligand interaction is ________

(rounded off to two decimal places).

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Assuming that there are

cell in the human body, and that ATP is turning over at a rate of

ATP molecules per minute in each cell, then the human body is utilizing ______ watts (rounded off to two decimal places).

[Assume that hydrolysis of ATP yields 12 kcal per mole. 1 watt = 1 joule/sec, 1 calorie = 4.18 joules, Avogadro’s number =

]

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2026 · Paper 1